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https://issues.apache.org/jira/browse/ZOOKEEPER-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thawan Kooburat updated ZOOKEEPER-1551:
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Attachment: ZOOKEEPER-1551.patch
This is patch is created using --ignore-all-space flag, since my editor is
configured to trim all white spaces. So the indentation is incorrect in one
place.
We recently found this issue since we enabled sync request processor in the
observer (ZOOKEEPER-1552). So we saw that the snapshot is invalid in some
machines.
> Observer ignore txns that comes after snapshot and UPTODATE
> ------------------------------------------------------------
>
> Key: ZOOKEEPER-1551
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1551
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.4.3
> Reporter: Thawan Kooburat
> Assignee: Thawan Kooburat
> Priority: Critical
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1551.patch
>
>
> In Learner.java, txns which comes after the learner has taken the snapshot
> (after NEWLEADER packet) are stored in packetsNotCommitted. The follower has
> special logic to apply these txns at the end of syncWithLeader() method.
> However, the observer will ignore these txns completely, causing data
> inconsistency.
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